library(tree)
library(stringr)
library(randomForest)
## randomForest 4.6-7
## Type rfNews() to see new features/changes/bug fixes.
Download the data & read the data in
setwd("/Users/Carlos/Dropbox/Courses/Data Analysis/Exercices/Data Analysis/Data Analysis 2/code/SamsungAnalysis/")
getwd()
## [1] "/Users/Carlos/Dropbox/Courses/Data Analysis/Exercices/Data Analysis/Data Analysis 2/code/SamsungAnalysis"
if (!file.exists("../../data/samsungData.rda")) {
download.file("https://spark-public.s3.amazonaws.com/dataanalysis/samsungData.rda",
destfile = "../../data/samsungData.rda", method = "curl")
dateDownloaded <- date()
dateDownloaded
}
load("../../data/samsungData.rda")
punct <- c("\\(", "\\)", "\\-", "\\,")
for (i in punct) {
names(samsungData) <- str_replace_all(names(samsungData), i, "_")
}
samsungData$activity <- as.factor(samsungData$activity)
samsungData$activityNum <- as.numeric(samsungData$activity)
# head(samsungData) summary(samsungData) sapply(samsungData[1, ], class)
table(samsungData$activity)
##
## laying sitting standing walk walkdown walkup
## 1407 1286 1374 1226 986 1073
table(mapply(FUN = class, samsungData))
##
## factor integer numeric
## 1 1 562
sum(is.na(samsungData))
## [1] 0
For this analysis the training set must include the data from subjects 1, 3, 5, and 6
trainingSet <- samsungData[samsungData$subject == c(1, 3, 5, 6), ]
The test set is the data from subjects 27, 28, 29, and 30
testSet <- samsungData[samsungData$subject == c(27, 28, 29, 30), ]
for (i in 1:562) {
## plot(trainingSet[,i], pch=19, col=trainingSet$activityNum,
## ylab=names(trainingSet)[i])
print(names(trainingSet)[i])
boxplot(trainingSet[, i] ~ trainingSet$activity, data = trainingSet, main = names(trainingSet)[i],
ylab = names(trainingSet)[i])
}
## [1] "tBodyAcc_mean___X"
## [1] "tBodyAcc_mean___Y"
## [1] "tBodyAcc_mean___Z"
## [1] "tBodyAcc_std___X"
## [1] "tBodyAcc_std___Y"
## [1] "tBodyAcc_std___Z"
## [1] "tBodyAcc_mad___X"
## [1] "tBodyAcc_mad___Y"
## [1] "tBodyAcc_mad___Z"
## [1] "tBodyAcc_max___X"
## [1] "tBodyAcc_max___Y"
## [1] "tBodyAcc_max___Z"
## [1] "tBodyAcc_min___X"
## [1] "tBodyAcc_min___Y"
## [1] "tBodyAcc_min___Z"
## [1] "tBodyAcc_sma__"
## [1] "tBodyAcc_energy___X"
## [1] "tBodyAcc_energy___Y"
## [1] "tBodyAcc_energy___Z"
## [1] "tBodyAcc_iqr___X"
## [1] "tBodyAcc_iqr___Y"
## [1] "tBodyAcc_iqr___Z"
## [1] "tBodyAcc_entropy___X"
## [1] "tBodyAcc_entropy___Y"
## [1] "tBodyAcc_entropy___Z"
## [1] "tBodyAcc_arCoeff___X_1"
## [1] "tBodyAcc_arCoeff___X_2"
## [1] "tBodyAcc_arCoeff___X_3"
## [1] "tBodyAcc_arCoeff___X_4"
## [1] "tBodyAcc_arCoeff___Y_1"
## [1] "tBodyAcc_arCoeff___Y_2"
## [1] "tBodyAcc_arCoeff___Y_3"
## [1] "tBodyAcc_arCoeff___Y_4"
## [1] "tBodyAcc_arCoeff___Z_1"
## [1] "tBodyAcc_arCoeff___Z_2"
## [1] "tBodyAcc_arCoeff___Z_3"
## [1] "tBodyAcc_arCoeff___Z_4"
## [1] "tBodyAcc_correlation___X_Y"
## [1] "tBodyAcc_correlation___X_Z"
## [1] "tBodyAcc_correlation___Y_Z"
## [1] "tGravityAcc_mean___X"
## [1] "tGravityAcc_mean___Y"
## [1] "tGravityAcc_mean___Z"
## [1] "tGravityAcc_std___X"
## [1] "tGravityAcc_std___Y"
## [1] "tGravityAcc_std___Z"
## [1] "tGravityAcc_mad___X"
## [1] "tGravityAcc_mad___Y"
## [1] "tGravityAcc_mad___Z"
## [1] "tGravityAcc_max___X"
## [1] "tGravityAcc_max___Y"
## [1] "tGravityAcc_max___Z"
## [1] "tGravityAcc_min___X"
## [1] "tGravityAcc_min___Y"
## [1] "tGravityAcc_min___Z"
## [1] "tGravityAcc_sma__"
## [1] "tGravityAcc_energy___X"
## [1] "tGravityAcc_energy___Y"
## [1] "tGravityAcc_energy___Z"
## [1] "tGravityAcc_iqr___X"
## [1] "tGravityAcc_iqr___Y"
## [1] "tGravityAcc_iqr___Z"
## [1] "tGravityAcc_entropy___X"
## [1] "tGravityAcc_entropy___Y"
## [1] "tGravityAcc_entropy___Z"
## [1] "tGravityAcc_arCoeff___X_1"
## [1] "tGravityAcc_arCoeff___X_2"
## [1] "tGravityAcc_arCoeff___X_3"
## [1] "tGravityAcc_arCoeff___X_4"
## [1] "tGravityAcc_arCoeff___Y_1"
## [1] "tGravityAcc_arCoeff___Y_2"
## [1] "tGravityAcc_arCoeff___Y_3"
## [1] "tGravityAcc_arCoeff___Y_4"
## [1] "tGravityAcc_arCoeff___Z_1"
## [1] "tGravityAcc_arCoeff___Z_2"
## [1] "tGravityAcc_arCoeff___Z_3"
## [1] "tGravityAcc_arCoeff___Z_4"
## [1] "tGravityAcc_correlation___X_Y"
## [1] "tGravityAcc_correlation___X_Z"
## [1] "tGravityAcc_correlation___Y_Z"
## [1] "tBodyAccJerk_mean___X"
## [1] "tBodyAccJerk_mean___Y"
## [1] "tBodyAccJerk_mean___Z"
## [1] "tBodyAccJerk_std___X"
## [1] "tBodyAccJerk_std___Y"
## [1] "tBodyAccJerk_std___Z"
## [1] "tBodyAccJerk_mad___X"
## [1] "tBodyAccJerk_mad___Y"
## [1] "tBodyAccJerk_mad___Z"
## [1] "tBodyAccJerk_max___X"
## [1] "tBodyAccJerk_max___Y"
## [1] "tBodyAccJerk_max___Z"
## [1] "tBodyAccJerk_min___X"
## [1] "tBodyAccJerk_min___Y"
## [1] "tBodyAccJerk_min___Z"
## [1] "tBodyAccJerk_sma__"
## [1] "tBodyAccJerk_energy___X"
## [1] "tBodyAccJerk_energy___Y"
## [1] "tBodyAccJerk_energy___Z"
## [1] "tBodyAccJerk_iqr___X"
## [1] "tBodyAccJerk_iqr___Y"
## [1] "tBodyAccJerk_iqr___Z"
## [1] "tBodyAccJerk_entropy___X"
## [1] "tBodyAccJerk_entropy___Y"
## [1] "tBodyAccJerk_entropy___Z"
## [1] "tBodyAccJerk_arCoeff___X_1"
## [1] "tBodyAccJerk_arCoeff___X_2"
## [1] "tBodyAccJerk_arCoeff___X_3"
## [1] "tBodyAccJerk_arCoeff___X_4"
## [1] "tBodyAccJerk_arCoeff___Y_1"
## [1] "tBodyAccJerk_arCoeff___Y_2"
## [1] "tBodyAccJerk_arCoeff___Y_3"
## [1] "tBodyAccJerk_arCoeff___Y_4"
## [1] "tBodyAccJerk_arCoeff___Z_1"
## [1] "tBodyAccJerk_arCoeff___Z_2"
## [1] "tBodyAccJerk_arCoeff___Z_3"
## [1] "tBodyAccJerk_arCoeff___Z_4"
## [1] "tBodyAccJerk_correlation___X_Y"
## [1] "tBodyAccJerk_correlation___X_Z"
## [1] "tBodyAccJerk_correlation___Y_Z"
## [1] "tBodyGyro_mean___X"
## [1] "tBodyGyro_mean___Y"
## [1] "tBodyGyro_mean___Z"
## [1] "tBodyGyro_std___X"
## [1] "tBodyGyro_std___Y"
## [1] "tBodyGyro_std___Z"
## [1] "tBodyGyro_mad___X"
## [1] "tBodyGyro_mad___Y"
## [1] "tBodyGyro_mad___Z"
## [1] "tBodyGyro_max___X"
## [1] "tBodyGyro_max___Y"
## [1] "tBodyGyro_max___Z"
## [1] "tBodyGyro_min___X"
## [1] "tBodyGyro_min___Y"
## [1] "tBodyGyro_min___Z"
## [1] "tBodyGyro_sma__"
## [1] "tBodyGyro_energy___X"
## [1] "tBodyGyro_energy___Y"
## [1] "tBodyGyro_energy___Z"
## [1] "tBodyGyro_iqr___X"
## [1] "tBodyGyro_iqr___Y"
## [1] "tBodyGyro_iqr___Z"
## [1] "tBodyGyro_entropy___X"
## [1] "tBodyGyro_entropy___Y"
## [1] "tBodyGyro_entropy___Z"
## [1] "tBodyGyro_arCoeff___X_1"
## [1] "tBodyGyro_arCoeff___X_2"
## [1] "tBodyGyro_arCoeff___X_3"
## [1] "tBodyGyro_arCoeff___X_4"
## [1] "tBodyGyro_arCoeff___Y_1"
## [1] "tBodyGyro_arCoeff___Y_2"
## [1] "tBodyGyro_arCoeff___Y_3"
## [1] "tBodyGyro_arCoeff___Y_4"
## [1] "tBodyGyro_arCoeff___Z_1"
## [1] "tBodyGyro_arCoeff___Z_2"
## [1] "tBodyGyro_arCoeff___Z_3"
## [1] "tBodyGyro_arCoeff___Z_4"
## [1] "tBodyGyro_correlation___X_Y"
## [1] "tBodyGyro_correlation___X_Z"
## [1] "tBodyGyro_correlation___Y_Z"
## [1] "tBodyGyroJerk_mean___X"
## [1] "tBodyGyroJerk_mean___Y"
## [1] "tBodyGyroJerk_mean___Z"
## [1] "tBodyGyroJerk_std___X"
## [1] "tBodyGyroJerk_std___Y"
## [1] "tBodyGyroJerk_std___Z"
## [1] "tBodyGyroJerk_mad___X"
## [1] "tBodyGyroJerk_mad___Y"
## [1] "tBodyGyroJerk_mad___Z"
## [1] "tBodyGyroJerk_max___X"
## [1] "tBodyGyroJerk_max___Y"
## [1] "tBodyGyroJerk_max___Z"
## [1] "tBodyGyroJerk_min___X"
## [1] "tBodyGyroJerk_min___Y"
## [1] "tBodyGyroJerk_min___Z"
## [1] "tBodyGyroJerk_sma__"
## [1] "tBodyGyroJerk_energy___X"
## [1] "tBodyGyroJerk_energy___Y"
## [1] "tBodyGyroJerk_energy___Z"
## [1] "tBodyGyroJerk_iqr___X"
## [1] "tBodyGyroJerk_iqr___Y"
## [1] "tBodyGyroJerk_iqr___Z"
## [1] "tBodyGyroJerk_entropy___X"
## [1] "tBodyGyroJerk_entropy___Y"
## [1] "tBodyGyroJerk_entropy___Z"
## [1] "tBodyGyroJerk_arCoeff___X_1"
## [1] "tBodyGyroJerk_arCoeff___X_2"
## [1] "tBodyGyroJerk_arCoeff___X_3"
## [1] "tBodyGyroJerk_arCoeff___X_4"
## [1] "tBodyGyroJerk_arCoeff___Y_1"
## [1] "tBodyGyroJerk_arCoeff___Y_2"
## [1] "tBodyGyroJerk_arCoeff___Y_3"
## [1] "tBodyGyroJerk_arCoeff___Y_4"
## [1] "tBodyGyroJerk_arCoeff___Z_1"
## [1] "tBodyGyroJerk_arCoeff___Z_2"
## [1] "tBodyGyroJerk_arCoeff___Z_3"
## [1] "tBodyGyroJerk_arCoeff___Z_4"
## [1] "tBodyGyroJerk_correlation___X_Y"
## [1] "tBodyGyroJerk_correlation___X_Z"
## [1] "tBodyGyroJerk_correlation___Y_Z"
## [1] "tBodyAccMag_mean__"
## [1] "tBodyAccMag_std__"
## [1] "tBodyAccMag_mad__"
## [1] "tBodyAccMag_max__"
## [1] "tBodyAccMag_min__"
## [1] "tBodyAccMag_sma__"
## [1] "tBodyAccMag_energy__"
## [1] "tBodyAccMag_iqr__"
## [1] "tBodyAccMag_entropy__"
## [1] "tBodyAccMag_arCoeff__1"
## [1] "tBodyAccMag_arCoeff__2"
## [1] "tBodyAccMag_arCoeff__3"
## [1] "tBodyAccMag_arCoeff__4"
## [1] "tGravityAccMag_mean__"
## [1] "tGravityAccMag_std__"
## [1] "tGravityAccMag_mad__"
## [1] "tGravityAccMag_max__"
## [1] "tGravityAccMag_min__"
## [1] "tGravityAccMag_sma__"
## [1] "tGravityAccMag_energy__"
## [1] "tGravityAccMag_iqr__"
## [1] "tGravityAccMag_entropy__"
## [1] "tGravityAccMag_arCoeff__1"
## [1] "tGravityAccMag_arCoeff__2"
## [1] "tGravityAccMag_arCoeff__3"
## [1] "tGravityAccMag_arCoeff__4"
## [1] "tBodyAccJerkMag_mean__"
## [1] "tBodyAccJerkMag_std__"
## [1] "tBodyAccJerkMag_mad__"
## [1] "tBodyAccJerkMag_max__"
## [1] "tBodyAccJerkMag_min__"
## [1] "tBodyAccJerkMag_sma__"
## [1] "tBodyAccJerkMag_energy__"
## [1] "tBodyAccJerkMag_iqr__"
## [1] "tBodyAccJerkMag_entropy__"
## [1] "tBodyAccJerkMag_arCoeff__1"
## [1] "tBodyAccJerkMag_arCoeff__2"
## [1] "tBodyAccJerkMag_arCoeff__3"
## [1] "tBodyAccJerkMag_arCoeff__4"
## [1] "tBodyGyroMag_mean__"
## [1] "tBodyGyroMag_std__"
## [1] "tBodyGyroMag_mad__"
## [1] "tBodyGyroMag_max__"
## [1] "tBodyGyroMag_min__"
## [1] "tBodyGyroMag_sma__"
## [1] "tBodyGyroMag_energy__"
## [1] "tBodyGyroMag_iqr__"
## [1] "tBodyGyroMag_entropy__"
## [1] "tBodyGyroMag_arCoeff__1"
## [1] "tBodyGyroMag_arCoeff__2"
## [1] "tBodyGyroMag_arCoeff__3"
## [1] "tBodyGyroMag_arCoeff__4"
## [1] "tBodyGyroJerkMag_mean__"
## [1] "tBodyGyroJerkMag_std__"
## [1] "tBodyGyroJerkMag_mad__"
## [1] "tBodyGyroJerkMag_max__"
## [1] "tBodyGyroJerkMag_min__"
## [1] "tBodyGyroJerkMag_sma__"
## [1] "tBodyGyroJerkMag_energy__"
## [1] "tBodyGyroJerkMag_iqr__"
## [1] "tBodyGyroJerkMag_entropy__"
## [1] "tBodyGyroJerkMag_arCoeff__1"
## [1] "tBodyGyroJerkMag_arCoeff__2"
## [1] "tBodyGyroJerkMag_arCoeff__3"
## [1] "tBodyGyroJerkMag_arCoeff__4"
## [1] "fBodyAcc_mean___X"
## [1] "fBodyAcc_mean___Y"
## [1] "fBodyAcc_mean___Z"
## [1] "fBodyAcc_std___X"
## [1] "fBodyAcc_std___Y"
## [1] "fBodyAcc_std___Z"
## [1] "fBodyAcc_mad___X"
## [1] "fBodyAcc_mad___Y"
## [1] "fBodyAcc_mad___Z"
## [1] "fBodyAcc_max___X"
## [1] "fBodyAcc_max___Y"
## [1] "fBodyAcc_max___Z"
## [1] "fBodyAcc_min___X"
## [1] "fBodyAcc_min___Y"
## [1] "fBodyAcc_min___Z"
## [1] "fBodyAcc_sma__"
## [1] "fBodyAcc_energy___X"
## [1] "fBodyAcc_energy___Y"
## [1] "fBodyAcc_energy___Z"
## [1] "fBodyAcc_iqr___X"
## [1] "fBodyAcc_iqr___Y"
## [1] "fBodyAcc_iqr___Z"
## [1] "fBodyAcc_entropy___X"
## [1] "fBodyAcc_entropy___Y"
## [1] "fBodyAcc_entropy___Z"
## [1] "fBodyAcc_maxInds_X"
## [1] "fBodyAcc_maxInds_Y"
## [1] "fBodyAcc_maxInds_Z"
## [1] "fBodyAcc_meanFreq___X"
## [1] "fBodyAcc_meanFreq___Y"
## [1] "fBodyAcc_meanFreq___Z"
## [1] "fBodyAcc_skewness___X"
## [1] "fBodyAcc_kurtosis___X"
## [1] "fBodyAcc_skewness___Y"
## [1] "fBodyAcc_kurtosis___Y"
## [1] "fBodyAcc_skewness___Z"
## [1] "fBodyAcc_kurtosis___Z"
## [1] "fBodyAcc_bandsEnergy___1_8"
## [1] "fBodyAcc_bandsEnergy___9_16"
## [1] "fBodyAcc_bandsEnergy___17_24"
## [1] "fBodyAcc_bandsEnergy___25_32"
## [1] "fBodyAcc_bandsEnergy___33_40"
## [1] "fBodyAcc_bandsEnergy___41_48"
## [1] "fBodyAcc_bandsEnergy___49_56"
## [1] "fBodyAcc_bandsEnergy___57_64"
## [1] "fBodyAcc_bandsEnergy___1_16"
## [1] "fBodyAcc_bandsEnergy___17_32"
## [1] "fBodyAcc_bandsEnergy___33_48"
## [1] "fBodyAcc_bandsEnergy___49_64"
## [1] "fBodyAcc_bandsEnergy___1_24"
## [1] "fBodyAcc_bandsEnergy___25_48"
## [1] "fBodyAcc_bandsEnergy___1_8"
## [1] "fBodyAcc_bandsEnergy___9_16"
## [1] "fBodyAcc_bandsEnergy___17_24"
## [1] "fBodyAcc_bandsEnergy___25_32"
## [1] "fBodyAcc_bandsEnergy___33_40"
## [1] "fBodyAcc_bandsEnergy___41_48"
## [1] "fBodyAcc_bandsEnergy___49_56"
## [1] "fBodyAcc_bandsEnergy___57_64"
## [1] "fBodyAcc_bandsEnergy___1_16"
## [1] "fBodyAcc_bandsEnergy___17_32"
## [1] "fBodyAcc_bandsEnergy___33_48"
## [1] "fBodyAcc_bandsEnergy___49_64"
## [1] "fBodyAcc_bandsEnergy___1_24"
## [1] "fBodyAcc_bandsEnergy___25_48"
## [1] "fBodyAcc_bandsEnergy___1_8"
## [1] "fBodyAcc_bandsEnergy___9_16"
## [1] "fBodyAcc_bandsEnergy___17_24"
## [1] "fBodyAcc_bandsEnergy___25_32"
## [1] "fBodyAcc_bandsEnergy___33_40"
## [1] "fBodyAcc_bandsEnergy___41_48"
## [1] "fBodyAcc_bandsEnergy___49_56"
## [1] "fBodyAcc_bandsEnergy___57_64"
## [1] "fBodyAcc_bandsEnergy___1_16"
## [1] "fBodyAcc_bandsEnergy___17_32"
## [1] "fBodyAcc_bandsEnergy___33_48"
## [1] "fBodyAcc_bandsEnergy___49_64"
## [1] "fBodyAcc_bandsEnergy___1_24"
## [1] "fBodyAcc_bandsEnergy___25_48"
## [1] "fBodyAccJerk_mean___X"
## [1] "fBodyAccJerk_mean___Y"
## [1] "fBodyAccJerk_mean___Z"
## [1] "fBodyAccJerk_std___X"
## [1] "fBodyAccJerk_std___Y"
## [1] "fBodyAccJerk_std___Z"
## [1] "fBodyAccJerk_mad___X"
## [1] "fBodyAccJerk_mad___Y"
## [1] "fBodyAccJerk_mad___Z"
## [1] "fBodyAccJerk_max___X"
## [1] "fBodyAccJerk_max___Y"
## [1] "fBodyAccJerk_max___Z"
## [1] "fBodyAccJerk_min___X"
## [1] "fBodyAccJerk_min___Y"
## [1] "fBodyAccJerk_min___Z"
## [1] "fBodyAccJerk_sma__"
## [1] "fBodyAccJerk_energy___X"
## [1] "fBodyAccJerk_energy___Y"
## [1] "fBodyAccJerk_energy___Z"
## [1] "fBodyAccJerk_iqr___X"
## [1] "fBodyAccJerk_iqr___Y"
## [1] "fBodyAccJerk_iqr___Z"
## [1] "fBodyAccJerk_entropy___X"
## [1] "fBodyAccJerk_entropy___Y"
## [1] "fBodyAccJerk_entropy___Z"
## [1] "fBodyAccJerk_maxInds_X"
## [1] "fBodyAccJerk_maxInds_Y"
## [1] "fBodyAccJerk_maxInds_Z"
## [1] "fBodyAccJerk_meanFreq___X"
## [1] "fBodyAccJerk_meanFreq___Y"
## [1] "fBodyAccJerk_meanFreq___Z"
## [1] "fBodyAccJerk_skewness___X"
## [1] "fBodyAccJerk_kurtosis___X"
## [1] "fBodyAccJerk_skewness___Y"
## [1] "fBodyAccJerk_kurtosis___Y"
## [1] "fBodyAccJerk_skewness___Z"
## [1] "fBodyAccJerk_kurtosis___Z"
## [1] "fBodyAccJerk_bandsEnergy___1_8"
## [1] "fBodyAccJerk_bandsEnergy___9_16"
## [1] "fBodyAccJerk_bandsEnergy___17_24"
## [1] "fBodyAccJerk_bandsEnergy___25_32"
## [1] "fBodyAccJerk_bandsEnergy___33_40"
## [1] "fBodyAccJerk_bandsEnergy___41_48"
## [1] "fBodyAccJerk_bandsEnergy___49_56"
## [1] "fBodyAccJerk_bandsEnergy___57_64"
## [1] "fBodyAccJerk_bandsEnergy___1_16"
## [1] "fBodyAccJerk_bandsEnergy___17_32"
## [1] "fBodyAccJerk_bandsEnergy___33_48"
## [1] "fBodyAccJerk_bandsEnergy___49_64"
## [1] "fBodyAccJerk_bandsEnergy___1_24"
## [1] "fBodyAccJerk_bandsEnergy___25_48"
## [1] "fBodyAccJerk_bandsEnergy___1_8"
## [1] "fBodyAccJerk_bandsEnergy___9_16"
## [1] "fBodyAccJerk_bandsEnergy___17_24"
## [1] "fBodyAccJerk_bandsEnergy___25_32"
## [1] "fBodyAccJerk_bandsEnergy___33_40"
## [1] "fBodyAccJerk_bandsEnergy___41_48"
## [1] "fBodyAccJerk_bandsEnergy___49_56"
## [1] "fBodyAccJerk_bandsEnergy___57_64"
## [1] "fBodyAccJerk_bandsEnergy___1_16"
## [1] "fBodyAccJerk_bandsEnergy___17_32"
## [1] "fBodyAccJerk_bandsEnergy___33_48"
## [1] "fBodyAccJerk_bandsEnergy___49_64"
## [1] "fBodyAccJerk_bandsEnergy___1_24"
## [1] "fBodyAccJerk_bandsEnergy___25_48"
## [1] "fBodyAccJerk_bandsEnergy___1_8"
## [1] "fBodyAccJerk_bandsEnergy___9_16"
## [1] "fBodyAccJerk_bandsEnergy___17_24"
## [1] "fBodyAccJerk_bandsEnergy___25_32"
## [1] "fBodyAccJerk_bandsEnergy___33_40"
## [1] "fBodyAccJerk_bandsEnergy___41_48"
## [1] "fBodyAccJerk_bandsEnergy___49_56"
## [1] "fBodyAccJerk_bandsEnergy___57_64"
## [1] "fBodyAccJerk_bandsEnergy___1_16"
## [1] "fBodyAccJerk_bandsEnergy___17_32"
## [1] "fBodyAccJerk_bandsEnergy___33_48"
## [1] "fBodyAccJerk_bandsEnergy___49_64"
## [1] "fBodyAccJerk_bandsEnergy___1_24"
## [1] "fBodyAccJerk_bandsEnergy___25_48"
## [1] "fBodyGyro_mean___X"
## [1] "fBodyGyro_mean___Y"
## [1] "fBodyGyro_mean___Z"
## [1] "fBodyGyro_std___X"
## [1] "fBodyGyro_std___Y"
## [1] "fBodyGyro_std___Z"
## [1] "fBodyGyro_mad___X"
## [1] "fBodyGyro_mad___Y"
## [1] "fBodyGyro_mad___Z"
## [1] "fBodyGyro_max___X"
## [1] "fBodyGyro_max___Y"
## [1] "fBodyGyro_max___Z"
## [1] "fBodyGyro_min___X"
## [1] "fBodyGyro_min___Y"
## [1] "fBodyGyro_min___Z"
## [1] "fBodyGyro_sma__"
## [1] "fBodyGyro_energy___X"
## [1] "fBodyGyro_energy___Y"
## [1] "fBodyGyro_energy___Z"
## [1] "fBodyGyro_iqr___X"
## [1] "fBodyGyro_iqr___Y"
## [1] "fBodyGyro_iqr___Z"
## [1] "fBodyGyro_entropy___X"
## [1] "fBodyGyro_entropy___Y"
## [1] "fBodyGyro_entropy___Z"
## [1] "fBodyGyro_maxInds_X"
## [1] "fBodyGyro_maxInds_Y"
## [1] "fBodyGyro_maxInds_Z"
## [1] "fBodyGyro_meanFreq___X"
## [1] "fBodyGyro_meanFreq___Y"
## [1] "fBodyGyro_meanFreq___Z"
## [1] "fBodyGyro_skewness___X"
## [1] "fBodyGyro_kurtosis___X"
## [1] "fBodyGyro_skewness___Y"
## [1] "fBodyGyro_kurtosis___Y"
## [1] "fBodyGyro_skewness___Z"
## [1] "fBodyGyro_kurtosis___Z"
## [1] "fBodyGyro_bandsEnergy___1_8"
## [1] "fBodyGyro_bandsEnergy___9_16"
## [1] "fBodyGyro_bandsEnergy___17_24"
## [1] "fBodyGyro_bandsEnergy___25_32"
## [1] "fBodyGyro_bandsEnergy___33_40"
## [1] "fBodyGyro_bandsEnergy___41_48"
## [1] "fBodyGyro_bandsEnergy___49_56"
## [1] "fBodyGyro_bandsEnergy___57_64"
## [1] "fBodyGyro_bandsEnergy___1_16"
## [1] "fBodyGyro_bandsEnergy___17_32"
## [1] "fBodyGyro_bandsEnergy___33_48"
## [1] "fBodyGyro_bandsEnergy___49_64"
## [1] "fBodyGyro_bandsEnergy___1_24"
## [1] "fBodyGyro_bandsEnergy___25_48"
## [1] "fBodyGyro_bandsEnergy___1_8"
## [1] "fBodyGyro_bandsEnergy___9_16"
## [1] "fBodyGyro_bandsEnergy___17_24"
## [1] "fBodyGyro_bandsEnergy___25_32"
## [1] "fBodyGyro_bandsEnergy___33_40"
## [1] "fBodyGyro_bandsEnergy___41_48"
## [1] "fBodyGyro_bandsEnergy___49_56"
## [1] "fBodyGyro_bandsEnergy___57_64"
## [1] "fBodyGyro_bandsEnergy___1_16"
## [1] "fBodyGyro_bandsEnergy___17_32"
## [1] "fBodyGyro_bandsEnergy___33_48"
## [1] "fBodyGyro_bandsEnergy___49_64"
## [1] "fBodyGyro_bandsEnergy___1_24"
## [1] "fBodyGyro_bandsEnergy___25_48"
## [1] "fBodyGyro_bandsEnergy___1_8"
## [1] "fBodyGyro_bandsEnergy___9_16"
## [1] "fBodyGyro_bandsEnergy___17_24"
## [1] "fBodyGyro_bandsEnergy___25_32"
## [1] "fBodyGyro_bandsEnergy___33_40"
## [1] "fBodyGyro_bandsEnergy___41_48"
## [1] "fBodyGyro_bandsEnergy___49_56"
## [1] "fBodyGyro_bandsEnergy___57_64"
## [1] "fBodyGyro_bandsEnergy___1_16"
## [1] "fBodyGyro_bandsEnergy___17_32"
## [1] "fBodyGyro_bandsEnergy___33_48"
## [1] "fBodyGyro_bandsEnergy___49_64"
## [1] "fBodyGyro_bandsEnergy___1_24"
## [1] "fBodyGyro_bandsEnergy___25_48"
## [1] "fBodyAccMag_mean__"
## [1] "fBodyAccMag_std__"
## [1] "fBodyAccMag_mad__"
## [1] "fBodyAccMag_max__"
## [1] "fBodyAccMag_min__"
## [1] "fBodyAccMag_sma__"
## [1] "fBodyAccMag_energy__"
## [1] "fBodyAccMag_iqr__"
## [1] "fBodyAccMag_entropy__"
## [1] "fBodyAccMag_maxInds"
## [1] "fBodyAccMag_meanFreq__"
## [1] "fBodyAccMag_skewness__"
## [1] "fBodyAccMag_kurtosis__"
## [1] "fBodyBodyAccJerkMag_mean__"
## [1] "fBodyBodyAccJerkMag_std__"
## [1] "fBodyBodyAccJerkMag_mad__"
## [1] "fBodyBodyAccJerkMag_max__"
## [1] "fBodyBodyAccJerkMag_min__"
## [1] "fBodyBodyAccJerkMag_sma__"
## [1] "fBodyBodyAccJerkMag_energy__"
## [1] "fBodyBodyAccJerkMag_iqr__"
## [1] "fBodyBodyAccJerkMag_entropy__"
## [1] "fBodyBodyAccJerkMag_maxInds"
## [1] "fBodyBodyAccJerkMag_meanFreq__"
## [1] "fBodyBodyAccJerkMag_skewness__"
## [1] "fBodyBodyAccJerkMag_kurtosis__"
## [1] "fBodyBodyGyroMag_mean__"
## [1] "fBodyBodyGyroMag_std__"
## [1] "fBodyBodyGyroMag_mad__"
## [1] "fBodyBodyGyroMag_max__"
## [1] "fBodyBodyGyroMag_min__"
## [1] "fBodyBodyGyroMag_sma__"
## [1] "fBodyBodyGyroMag_energy__"
## [1] "fBodyBodyGyroMag_iqr__"
## [1] "fBodyBodyGyroMag_entropy__"
## [1] "fBodyBodyGyroMag_maxInds"
## [1] "fBodyBodyGyroMag_meanFreq__"
## [1] "fBodyBodyGyroMag_skewness__"
## [1] "fBodyBodyGyroMag_kurtosis__"
## [1] "fBodyBodyGyroJerkMag_mean__"
## [1] "fBodyBodyGyroJerkMag_std__"
## [1] "fBodyBodyGyroJerkMag_mad__"
## [1] "fBodyBodyGyroJerkMag_max__"
## [1] "fBodyBodyGyroJerkMag_min__"
## [1] "fBodyBodyGyroJerkMag_sma__"
## [1] "fBodyBodyGyroJerkMag_energy__"
## [1] "fBodyBodyGyroJerkMag_iqr__"
## [1] "fBodyBodyGyroJerkMag_entropy__"
## [1] "fBodyBodyGyroJerkMag_maxInds"
## [1] "fBodyBodyGyroJerkMag_meanFreq__"
## [1] "fBodyBodyGyroJerkMag_skewness__"
## [1] "fBodyBodyGyroJerkMag_kurtosis__"
## [1] "angle_tBodyAccMean_gravity_"
## [1] "angle_tBodyAccJerkMean__gravityMean_"
## [1] "angle_tBodyGyroMean_gravityMean_"
## [1] "angle_tBodyGyroJerkMean_gravityMean_"
## [1] "angle_X_gravityMean_"
## [1] "angle_Y_gravityMean_"
## [1] "angle_Z_gravityMean_"
## [1] "subject"